<template>
  <div class="swiper-container">
    <div class="swiper-wrapper">
      <div
        class="swiper-slide"
        v-for="(imgNum, index) in skuImageList"
        :key="imgNum.id"
      >
        <img :src="imgNum.imgUrl" :class="{active:currindex == index}" @click="changeIndex(index)"/>
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>

  import Swiper from 'swiper'
  import swiper from 'swiper'
  export default {
    name: "ImageList",
    data(){
      return{
        currindex:0
      }
    },
    props:['skuImageList'],
    computed:{
      
    },
    watch:{
      skuImageList(newvalue,oldvalue){
        this.$nextTick(() =>{
          new swiper(('.swiper-container'),{
            navigation: {
              nextEl: '.swiper-button-next',
              prevEl: '.swiper-button-prev',
            },
            slidesPerView :4,
            slidesPerGroup : 3,
          });
        });
    }
    },
    methods:{
      changeIndex(index){
        this.currindex = index; 
        //$bus传递数据给 放大镜组件
        this.$bus.$emit('getindex',this.currindex);
      }
    }
  }
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>